BPath Blog Series - Table of Contents

Hello,

see below the table of contents of the series on BPath, which covers 10 lessons at the moment.

• Table of BPath Code Examples
• Lesson 01: What is BPath?
  • Introduction
    • What is BPath?
    • XPath, differences and similarities
    • Availability
  • Basic Examples
    • the shortes BPath Statement in history
    • Retrieving attributes
    • Pathes
• Lesson 02: About the interpreter, integration, structures and filtering
  • First Steps
    • Environment and Preparation
    • Setting the return structure (standard)
    • Filtering
    • Conditional Filtering
    • Comparisons and arithmetic operations
• Lesson 03: Functions and Assignments
  • Functions
    • Index, Size
    • Today
    • Not
    • Iff
    • Upper
  • Assignments
    • Basic Assignments
    • List of Assignments
    • Assignments on targets
    • Automatic conversions
  • Operation table with legend (sorry this is probably really cryptical)
• Lesson 04. Enhanceable structures, aggregations, derefencation and transposition. And object retrieval.
  • the example data model (Flights)
  • Working with the data
    • Enhanceable Structures
    • Empty Structure
    • Accumulations and Aggregations
    • Dereferencation
    • Object Retrieval
• Lesson 05. Sub, String & Get-function(s) plus global variables
  • Sub functions
    • ... returning attributes
    • ... returning structures / tables
  • String functions
    • strcmp
    • ~= (covers pattern)
    • left, right, mid, len
  • More on assignments
    • Get()
    • Local assignments
    • Global assignments
    • Global Variable Table
• Lesson 06. Unstructured returns, sorting and performance considerations
  • Language Enhancements
    • Unstructured Returns (returning int / string / bool values directly)
    • Sorting the result table
  • Performance
    • Direct Indexing
    • Performance Investigations
• Lesson 07. Model Check Mode, table of exceptions and attribute longtext
  • About the Parser
    • Parser Reuse
    • Model Check Mode
    • Parser Exceptions
  • New Language Features
    • Attributed Parent Relation
    • Attribute Longtext
• Lesson 08. Data type and operation table. Smaller topics.
  • Tables
    • Table of available datatypes
    • Operation/Function table
  • Some small technical remarks
    • Numeric Values in Detail
    • Direct Attribute Retrieval
    • Non-Reliable assignments with subs (note 1533088 for older releases)
    • Masking slashes in relation names, structures, attributes and targets (note 1535509 for older releases)
• Lesson 09. Groupings
  • Groupings
    • Basic Groupings
    • Groupings with assignments (hand-made aggregations)
    • Group to structure
  • Some new functions
    • List()
    • Round, Int()
    • Log, Exp()
    • Exists, Safe, Initial()
• Lesson 10. Aggregations
  • Aggregations
    • Theory
    • Basic Aggregations: Count, Sum, Product
    • Advanced Aggregations: Conc, Avg, Geoavg, Stddev
    • Minima, Maxima
    • First, Last, GrpIndex, Any
    • Search / SearchFirst
    • Median
    • Aggregation Table
  • Leftover
    • ToRoot-Relation (...)
• Lesson 11. Enhancements on sub-queries
  • Sub Query Enhancements
    • Copy data from sub queries using *=
    • Adding rows from a sub queries using $ = sub()  (or feature)
  • Merging Structures
  • Textsearch

Best Regards, Juergen